Brain - centers - Cerebrum

6 important questions on Brain - centers - Cerebrum

What are the three main functional and structural parts that make up the cerebrum?

  1. The cortex
  2. white matter
  3. basal nuclei

What are deep grooves in the cerebrum called? What is the name of the deep groove that  separates the cerebrum to left and right hemispheres?

major sulci
longitudinal Fissure

What types of fiber tracts are found in white matter and what do they do?

myelinated fiber tracts
Provide communication between different parts of the CNS
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White matter provides communication between different parts of the CNS. lists the 3 structures that connect different parts of the same hemisphere, provide connection between two hemispheres and project to the lower CNS centres.


Association fibers - connect different parts of the same hemisphere
Commissural fibers “Corpus callosum” - provide connection between two hemispheres
Internal capsule fibers “projection” - project to the lower CNS centres

What kind of adjective describes the grey matter found in basal nuclei?

scattered grey matter

In the basal nuclei the corpus striatum is vital to the control of what 3 physical movement and 2 cognitive actions


Physical
Muscular activity,
Intensity of slow or stereotyped movements
Inhibit antagonistic and unnecessary movement.
Cognitive
Attention
cognition

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